package collectionzy;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public class zy0201 {
    public static void main(String[] args) {
        List<String>  list = new ArrayList<>();
        list.add("one");
        list.add("two");
        list.add("three");
        list.add("four");
        list.add("five");
        System.out.println("list:"+list);


        String e = list.get(2);
        System.out.println(e);

        for (int i=0;i< list.size();i++){
            System.out.println(list.get(i));
        }
        Iterator<String> it = list.iterator();
        while (it.hasNext()){
            System.out.println(it.next());
        }
        for (String s : list){
            System.out.println(s);
        }
        System.out.println("-------------------");
        String old = list.set(2,"six");
        System.out.println("list:"+list);
        System.out.println(old);

        String s = list.remove(2);
        System.out.println("list:"+list);
        System.out.println(s);

        list.add(3,"seven");
        System.out.println(list);











//        List<String> list = new ArrayList<>();
//        list.add("one");
//        list.add("two");
//        list.add("three");
//        list.add("four");
//        list.add("five");
//        System.out.println("list:"+list);
//
//
//        String e = list.get(2);
//        System.out.println(e);
//
//        for (int i=0;i< list.size();i++){
//            System.out.println(list.get(i));
//        }
//        Iterator<String> it = list.iterator();
//        while (it.hasNext()){
//            System.out.println(it.next());
//        }
//        for (String s : list){
//            System.out.println(s);
//        }
//        System.out.println("-------------------------");
//        String old = list.set(2,"six");
//        System.out.println("list:"+list);
//        System.out.println(old);
//
//
//        String s = list.remove(2);
//        System.out.println("list:"+list);
//        System.out.println(s);
//
//        list.add(3,"seven");
//        System.out.println(list);
    }

}
